class OfflineHextrack:
def __init__(self, cfg, src, n, LED_pos, LED_tresholds):
threading.current_thread().name = 'HexTrack'
self.cfg = cfg
self.frame_idx = 0
self.n = n
self.mask_init = True
self.made_mask = None
# Create path to csv log file for tracking mouse position and LED-light state
path = pkg_resources.resource_filename(__name__, "/data/interim/position_log_files/{}".format(src[len(src)-29:len(src)-10]))
if not os.path.exists(path):
try:
os.mkdir(path)
except OSError:
print("Creation of the directory %s failed, this path probably already exists" % path)
self.path = pkg_resources.resource_filename(__name__, '/data/interim/Position_log_files/{}/pos_log_file_{}.csv'
.format(src[len(src)-29:len(src)-10], n))
# Initiation of the Grabbers and Trackers and creation of csv log file
self.grabber = Grabber(src)
self.tracker = Tracker(cfg, pos_log_file=open(self.path, 'w'), name=__name__, LED_pos=LED_pos, LED_thresholds=LED_tresholds)
logging.debug('HexTrack initialization done!')
self.vid = VideoFileClip(src)
self.duration = self.vid.duration*15
# Loops through grabbing and tracking each frame of the video file
def loop(self):
pbar = tqdm(range(int(self.duration)))
# pbar = tqdm(range(2000))
for i in pbar:
frame = self.grabber.next()
if frame is None:
break
# Checks if the frame has a mask already, if not, it creates a new mask
if self.mask_init:
self.tracker.apply(frame, self.frame_idx, n=self.n)
elif not self.mask_init:
self.tracker.apply(frame, self.frame_idx, mask_frame=self.made_mask, n=self.n)
# At the second frame, show computer-generated mask
# If not sufficient, gives possibility to input user-generated mask
# if self.frame_idx == 1:
# path = pkg_resources.resource_filename(__name__, '/output/Masks/mask_{}.png'.format(n))
# mask = cv2.imread(path)
# plt.figure('Mask check')
# plt.imshow(mask)
# plt.show()
# mask_check = input("If the mask is sufficient, enter y: ")
# if mask_check != 'y':
# input('Please upload custom mask under the name new_mask.png to the output folder and press enter')
# self.made_mask = cv2.imread('new_mask.png', 0)
# self.mask_init = False
# self.frame_idx += 1
self.tracker.close()
pbar.close()
self.vid.reader.close()
# Redundant, might be deleted later
def process_events(self, display=False):
if not display:
return
# Event loop call
key = cv2.waitKey(1)
# Process Keypress Events
if key == ord('q'):
self.stop()
def stop(self):
self.tracker.close()
cv2.destroyAllWindows()
raise SystemExit
class OfflineHextrack:
def __init__(self, cfg, src, n, LED_pos, LED_thresholds, sources):
# Video frame sources (top and bottom)
self.sources = sources
self.cfg = cfg
self.frame_idx = 0
self.n = n
self.mask_init = True
self.made_mask = None
# Create path to csv log file for tracking mouse position and LED-light state
path = pkg_resources.resource_filename(__name__, "/data/interim/position_log_files/{}".format(src[len(src)-29:
len(src)-10]))
if not os.path.exists(path):
try:
os.mkdir(path)
except OSError:
print("Creation of the directory %s failed, this path probably already exists" % path)
self.path = pkg_resources.resource_filename(__name__, '/data/interim/Position_log_files/{}/pos_log_file_{}.csv'
.format(src[len(src)-29:len(src)-10], n))
# Initiation of the Grabbers and Trackers and creation of csv log file
self.grabber = Grabber(src)
self.tracker = Tracker(cfg, pos_log_file=open(self.path, 'w'), name=__name__, LED_pos=LED_pos,
LED_thresholds=LED_thresholds)
logging.debug('HexTrack initialization done!')
# Video reader used to infer amount of frames
self.vid = VideoFileClip(src)
self.duration = self.vid.duration*15
self.src = src
# Loops through grabbing and tracking each frame of the video file
def loop(self):
""""Loop through all frames in video and track mouse positions"""
# tqdm package used to monitor tracking progress
pbar = tqdm(range(int(self.duration)))
for i in pbar:
# Grab next frame, stops loop if no new frame is present (happens when all frames in video tracked)
frame = self.grabber.next()
if frame is None:
break
# Checks if the frame has a mask already, if not, it creates a new mask
if self.mask_init:
self.tracker.apply(frame, self.frame_idx, n=self.n, src=self.src)
elif not self.mask_init:
self.tracker.apply(frame, self.frame_idx, mask_frame=self.made_mask, n=self.n, src=self.src)
if Mask_check:
# At the second frame, show computer-generated mask
# If not sufficient, gives possibility to input user-generated mask
if self.frame_idx == 0:
path = pkg_resources.resource_filename(__name__, "/data/raw/{}/Masks/mask_{}.png"
.format(self.sources[0][len(self.sources[0])-29:
len(self.sources[0])-10], n))
mask = cv2.imread(path)
plt.figure('Mask check')
plt.imshow(mask)
plt.show()
mask_check = input("If the mask is sufficient, enter y: ")
if mask_check != 'y':
input('Please upload custom mask under the name new_mask.png to the output folder'
' and press enter')
mask_path = pkg_resources.resource_filename(__name__, "/Input_mask/new_mask.png")
self.made_mask = cv2.imread(mask_path, 0)
self.mask_init = False
self.frame_idx += 1
# Close down tracker position log file, tqdm progress bar and video reader
self.tracker.close()
pbar.close()
self.vid.reader.close()
def stop(self):
"""Closes the position log files for following steps to be used"""
self.tracker.close()
cv2.destroyAllWindows()
raise SystemExit
